The impulse is then passed to another node within the heart – the atrioventricular node (AVN). This node is in the lower part of the right atrium.

Cardiac output can be calculated using the following equation: Stroke volume close stroke volumeThe volume of blood pumped from the heart with each beat. is the volume of blood pumped out of each ...

Let’s face it: most of us have had difficulty drawing a heart diagram in school ... He didn’t stop there and went on to describe the functions of the heart in relation to the girls.